The calculated distance (air line) between Qahā and Al Qāhirah al Jadīdah is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Al Qāhirah al Jadīdah is certainly longer, as only the direct route (as the crow flies) between Qahā and Al Qāhirah al Jadīdah has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles